also: しじくい
noun
bearing pile
Technical term in architecture and civil engineering for a pile that transfers structural load to a firm stratum.
この建物の基礎には支持杭が使われている。
Bearing piles are used in the foundation of this building.
摩擦杭 is a friction pile that relies on skin friction along its shaft, while 支持杭 is an end-bearing pile that transfers load to a hard layer at the tip.
Compound of 支持 (support) and 杭 (pile, stake).